Many pixels are not rendered in 4.00.0.137

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Foundry Modo (Developed by stenson, Integrated Plugin developed by Paul Kinnane)

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Many pixels are not rendered in 4.00.0.137

Postby Uhlhorn » Thu Dec 27, 2018 7:46 pm

Uhlhorn Thu Dec 27, 2018 7:46 pm
Hi there,

I found an issue in Octane 4.00.0.137 for Modo. Many 2 by 2 pixels are not rendered in Octane:
Screenshot 2018-12-27 20.41.55.png
Many 2 by 2 pixels are not rendered in Octane.


Here is the full size rendering with many holes:
Rendering mit Loechern.png
Original rendering with holes.
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Re: Many pixels are not rendered in 4.00.0.137

Postby face_off » Fri Dec 28, 2018 5:11 am

face_off Fri Dec 28, 2018 5:11 am
Hi - can you try with the latest release please (4.01.1.138).

Paul
Win7/Win10/Mavericks/Mint 17 - GTX550Ti/GT640M
Octane Plugin Support : Poser, ArchiCAD, Revit, Inventor, AutoCAD, Rhino, Modo, Nuke, DAZ Studio
Pls read before submitting a support question
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Re: Many pixels are not rendered in 4.00.0.137

Postby Hesekiel2517 » Fri Dec 28, 2018 2:35 pm

Hesekiel2517 Fri Dec 28, 2018 2:35 pm
Did you use adaptive Sampling? Try to increase the "min. sampling" to avoid errors in the noise estimation in very noisy scenes.
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Re: Many pixels are not rendered in 4.00.0.137

Postby Uhlhorn » Fri Dec 28, 2018 6:52 pm

Uhlhorn Fri Dec 28, 2018 6:52 pm
Hesekiel2517 wrote:Did you use adaptive Sampling?

Yes. And without adaptive sampling the issue does not appear, I just figured out.

Hesekiel2517 wrote:Try to increase the "min. sampling" to avoid errors in the noise estimation in very noisy scenes.

It does not solve all, it makes it better.
So I made some tests:

512 none.png
Minimum Samples: 512 Pixel Grouping: none
512 2x2.png
Minimum Samples: 512 Pixel Grouping: 2 x 2
512 4x4.png
Minimum Samples: 512 Pixel Grouping: 4 x 4

2048 none.png
Minimum Samples: 2048 Pixel Grouping: none
2048 2x2.png
Minimum Samples: 2048 Pixel Grouping: 2 x 2
2048 4x4.png
Minimum Samples: 2048 Pixel Grouping: 4 x 4

No Adaptive Sampling.png
No Adaptive Sampling
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